Dilog DL7030 Manual de usuario

DIGITAL

LUXMETER

Your purchase of this Digital Luxmeter

marks a step forward for you into the field of

precision measurements. Although this

Luxmeter is a complex and delicate

instrument, its ruggedness will allow many

years. Of use if proper operating techniques

are developed. Please read the following

instructions carefully and always keep this

manual within easy reach.

Digital Luxmeter 1

USER'S MANUAL

CONTENTS

1. FEATURES ……………………………………

2. FRONT PANEL DESCRIPTION…….……….

3.SPECIFICATIONS……………………………..

3-1 Technical Specifications………………….

3-2 General Specifications…….………………

3-3 Correction Factor…………………….……

4. SPECTRUM FOR PHOTO DETECTOR……

5. MEASURING PROCEDURE………………..

6. MAINTENANCE……………………………….

6-1 General maintenance………………………

6-2 Battery Replacement………………………

7. RECOMMENDED ILLUMINATION………….

2 Digital Luxmeter

1. FEATURES

* Precise and easy readout.

*High accuracy and wide measurement range.

*LSI-circuit use provides high reliability and durability.

* In build LOW BATTERY indicator.

*LCD display allows clear read out even at bright

places.

*LCD display provides low power consumption.

*Compact, lightweight, and excellent operation.

*Separate PHOTO DETECTOR allows user take

measurements at an optimum position.

*Data Hold function for holding measuring values.

Digital Luxmeter 3

2. FRONT PANEL DESCRIPTION

4 Digital Luxmeter

①HOLD key

②Photo Detector

③LCD display

④Function switch

⑤ POWER key

3. SPECIFICATIONS

3-1 General Specification

∞Environment Conditions:

Operating Temperature:

0℃to 40℃≤80% RH, non-condensing

Storage Temperature:

-10℃to 60℃≤70% RH, battery removed

∞Operating principle: dual slop integration

∞Sample Rate: 2 times/sec for digital data

∞Display:

3 1/2 digits LCD Display with max. Reading 1999,

∞Over-range Display: "1" is displayed.

∞Power Supply:

DC 9V battery (NEDA 1604 6F22 006P).

Digital Luxmeter 5

∞Low Battery Indicator:

The " " is displayed when the battery is under

the proper operation range.

∞Photo Detector Lead Length: 150cm(approx.)

∞Photo Detector Size: 83×52×20.5mm

∞Dimension: 125.5(L)×72(W)×27(H)mm

∞Weight: 140g approx. (battery removed)

∞Accessories: Carrying case, battery, user's manual

3-2 Technical Specification

Accuracy:

±(% of reading + number of digits) at 18OC to

28OC (64OF to 82OF) with relative humidity to 80%.

Range

Resolution

accuracy

0-1,999 Lux

1 Lux

±(5%+2d)

2,000-19,990 Lux

10 Lux

±(5%+2d)

20,000-50,000 Lux

100 Lux

±(5%+2d)

NOTE: Accuracy tested by a standard parallel light

tungsten lamp of 2854 oK temperature

6 Digital Luxmeter

3-3 Correction Factor

Mercury Lamp …………………………..….

1.1

Fluorescent Lamp…………………..………

1.0

Incandescent Light…………………………

1.0

Daylight………………………………………

1.0

4. SPECTRUM FOR PHOTO DETECTOR

Digital Luxmeter 7

5. MEASURING PROCEDURE

∞Power-up: Press the POWER key to turn the

meter on.

∞Selecting the LUX scale: Set the Function switch

to desired LUX range.

∞Face the photo detector to light source in a

horizontal position.

∞Read the illuminance value from the LCD display.

∞Data-Hold mode: Press the HOLD key to select

Hold mode. When HOLD mode is selected, the

illuminance meter stops all further measurements.

Press the HOLD key again to cancel HOLD mode.

Then it resumes normal operation.

∞When the measurement is completed, turn the

power off.

NOTE: If display indicates one or more leading

zeros, user has to shift the Function switch

to the next lower range scale to improve

resolution and accuracy.

8 Digital Luxmeter

6. MAINTENANCE

6-1 General maintenance

∞To keep the instrument clean, wipe the case with

a dry cloth and detergent, do not use abrasives or

solvents.

∞The white plastic disc on the top of the detector

should be cleaned with a damp cloth when

necessary.

∞Any adjustment maintenance and repair shall be

by a qualified person.

6-2 Battery Replacement

∞When the battery voltage drop below proper

operation range the symbol will appear on

the LCD display and the battery need to be

replaced..

∞Slide the battery cover away from the instrument

and remove the battery.

∞Replace with 9V battery and reinstall the cover

Digital Luxmeter 9

7. RECOMMENDED ILLUMINATION

LOCATIONS

Lux

∞OFFICE

Conference, Reception room.

200

750

Clerical work

700

1500

Typing, drafting

1000

2000

∞FACTORY

Packing work, Entrance passage

150

300

Visual work at production line

300

750

Inspection work

750

1500

Electronic parts assembly line

1500

3000

∞HOTEL

Public room, Cloakroom

100

200

Reception, Cashier

200

1000

∞STORE

Indoors, Stairs, Corridor

150

200

Show windows, Packing table

750

1500

Forefront of show windows

1500

3000

10 Digital Luxmeter

LOCATIONS

Lux

∞HOSPITAL

Sickroom, Warehouse

100

200

Medical Examination room

200

750

Operating room

750

1500

Emergency Treatment

750

1500

∞SCHOOL

Auditorium, Indoor Gymnasium

100

300

Class room

300

750

Laboratory, Library, Drafting room

750

1500

Digital Luxmeter 11

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